CVE-2020-4273 : Security Advisory and Response
Learn about CVE-2020-4273 affecting IBM Spectrum Scale versions 4.2 and 5.0. Understand the impact, technical details, and mitigation steps for this privilege escalation vulnerability.
IBM Spectrum Scale 4.2 and 5.0 have a vulnerability that could allow a local unprivileged attacker to execute commands as root. The vulnerability has a CVSS base score of 7.4.
Understanding CVE-2020-4273
IBM Spectrum Scale versions 4.2 and 5.0 are affected by a privilege escalation vulnerability that could be exploited by a local attacker.
What is CVE-2020-4273?
The vulnerability in IBM Spectrum Scale versions 4.2 and 5.0 enables a local unprivileged attacker with specific knowledge to run commands as root.
The Impact of CVE-2020-4273
The vulnerability poses a high risk with a CVSS base score of 7.4, allowing unauthorized users to gain elevated privileges on the affected system.
Technical Details of CVE-2020-4273
IBM Spectrum Scale 4.2 and 5.0 are susceptible to a privilege escalation vulnerability.
Vulnerability Description
- CVSS Score: 7.4 (High)
- Attack Vector: Local
- Attack Complexity: High
- Privileges Required: None
- Impact: High impact on confidentiality, integrity, and availability
Affected Systems and Versions
- Product: IBM Spectrum Scale
- Versions: 4.2, 5.0
Exploitation Mechanism
The vulnerability can be exploited by a local unprivileged attacker with specific knowledge of the environment to execute commands as root.
Mitigation and Prevention
Immediate action is necessary to secure systems against CVE-2020-4273.
Immediate Steps to Take
- Apply official fixes provided by IBM
- Restrict access to vulnerable systems
- Monitor for any unauthorized access attempts
Long-Term Security Practices
- Regular security training for employees
- Implement the principle of least privilege
- Keep systems and software up to date
Patching and Updates
- IBM may release official patches to address the vulnerability
- Regularly check for security updates and apply them promptly